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From: Andrew Morton <akpm@osdl.org>
To: Ingo Oeser <ioe-lkml@rameria.de>
Cc: davem@davemloft.net, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH] scm: fold __scm_send() into scm_send()
Date: Mon, 13 Mar 2006 17:31:03 -0800	[thread overview]
Message-ID: <20060313173103.7681b49d.akpm@osdl.org> (raw)
In-Reply-To: <200603132105.32794.ioe-lkml@rameria.de>

Ingo Oeser <ioe-lkml@rameria.de> wrote:
>
>  -int scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
>  -{
>  -	struct task_struct *p = current;
>  -	scm->creds = (struct ucred) {
>  -		.uid = p->uid,
>  -		.gid = p->gid,
>  -		.pid = p->tgid
>  -	};
>  -	scm->fp = NULL;
>  -	scm->sid = security_sk_sid(sock->sk, NULL, 0);
>  -	scm->seq = 0;
>  -	if (msg->msg_controllen <= 0)
>  -		return 0;
>  -	return __scm_send(sock, msg, scm);
>  -}

It's worth noting that scm_send() will call security_sk_sid() even if
(msg->msg_controllen <= 0).

If that test is likely to be true with any frequency then perhaps we can
optimise things...

  parent reply	other threads:[~2006-03-14  1:33 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200603130139.k2D1dpSQ021279@shell0.pdx.osdl.net>
2006-03-13  2:08 ` + uninline-scm_recv-and-scm_send-fix.patch added to -mm tree David S. Miller
2006-03-13 20:05   ` [PATCH] scm: fold __scm_send() into scm_send() Ingo Oeser
2006-03-13 20:22     ` Benjamin LaHaise
2006-03-13 22:13       ` Andrew Morton
2006-03-14  1:31     ` Andrew Morton [this message]
2006-03-20 11:44       ` Ingo Oeser
2006-03-20 20:18         ` Chris Wright
2006-03-20 21:36           ` Chris Wright
2006-03-20 22:31             ` Andrew Morton
2006-03-20 23:15               ` Chris Wright
2006-03-21 13:32                 ` Stephen Smalley
2006-03-21 13:42                   ` Stephen Smalley
2006-04-06 17:52                     ` Xiaolan Zhang
2006-03-20 23:28             ` David S. Miller
2006-03-20 23:43               ` Chris Wright
2006-03-21  0:37               ` James Morris
2006-03-21  0:50                 ` David S. Miller

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